Side by side
Kotest vs PHPUnit
Both stand on unit testing. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidiPhoneLinux+3
Kotest offers test styles, assertions, and property checks across a broad set of Kotlin targets. Its standalone assertions library can also fit projects that use a different test framework.
Visit Kotest
Free plan LinuxMacSelf-hosted+1
PHPUnit offers a broad set of test assertions, organization options, and reporting formats for PHP projects. Check the PHP 8.4 requirement before choosing the current stable major version.
Visit PHPUnitThe facts
| Kotest | PHPUnit | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, iPhone, Linux, Mac, Web, Windows | Linux, Mac, Self-hosted, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | kotest.io | phpunit.de |
| On unit testing | #5 of 32 | #9 of 32 |
Kotest: what it does well
- Free framework with assertions and property testing.
- Offers over 350 matchers and collection inspectors.
- Supports parameterized tests and parallel execution.
- Property testing is supported across all targets.
- Assertions can be used with JUnit or Spock.
What to know first
- Built-in mocks are not included.
- Supported languages list only Kotlin.
PHPUnit: what it does well
- Free to download as a PHAR or install with Composer.
- Supports data providers, dependencies, stubs, and mocks.
- Coverage reports are available in HTML and JSONL.
- Can repeat or retry flaky tests.
- Documentation covers multiple supported versions.
What to know first
- PHPUnit 13 requires PHP 8.4 or later.
- The end-of-life date for PHPUnit 13 is undetermined.
Alternatives to Kotest Alternatives to PHPUnit The whole list